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本帖最后由 zhutongshuai 于 2011-12-24 12:33 编辑 % b3 ]( H: ?; R2 b4 z# q$ N
9 J0 Y% i* i9 ?6 A; A6 qCTL-OP 109 Laboratory Procedure For Acceptance of Thermocouple Wire
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+ S) K& s/ b0 T6 W# P8 G" e. JPROCEDURES c& |+ \% {9 @2 h
4.1 Thermocouples shall be prepared by staff trained in preparation of thermocouples.; `* y1 `4 |" W6 S) r; {3 ~. e
4.2 Thermocouples are to be prepared as noted:
- w1 ]! a$ m% [) A8 s! S$ N; {4.2.1 Inner insulation stripped back approximately 1.5 mm from tip.
$ E3 R6 ~/ d! D( E8 Y4.2.2 Outer insulation, if any, stripped back approximately 15 mm from tip.
- c' ~2 S( o& y/ G/ M# }4.2.3 The tip is to be joined by a single point weld. Other reliable and consistent methods of joining the thermocouple wires may be used upon prior acceptance of the CTL. ' o4 L+ o! F. a
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Note – Dimensions given are typical, not required.
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